Devices that need disneyplus.com/begin are typically those requiring activation to stream Disney+ content. These include smart TVs, streaming devices like Roku, Amazon Fire Stick, and Apple TV, as well as gaming consoles such as PlayStation and Xbox. When setting up Disney+ on these platforms, users are often prompted to visit disneyplus.com/begin and enter an activation code displayed on the device. This process ensures the device is linked to the user’s Disney+ account, granting access to the streaming service. Tablets, smartphones, and web browsers generally don’t require this step, as the app allows direct login without visiting the activation page.